Remove use of deprecated set-output, use pre-commit lite action instead

[rtibbles]

Summary

Description of the change(s) you made

Removes use of set-output in line with https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

Follows Kolibri's use of the pre-commit lite action for committing unlinted files to PRs and branches https://github.com/learningequality/kolibri/blob/develop/.github/workflows/pre-commit.yml#L55

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Contributor's Checklist

PR process:

• If this is an important user-facing change, PR or related issue the CHANGELOG label been added to this PR. Note: items with this label will be added to the CHANGELOG at a later time
• If this includes an internal dependency change, a link to the diff is provided
• The docs label has been added if this introduces a change that needs to be updated in the user docs?
• If any Python requirements have changed, the updated requirements.txt files also included in this PR
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Reviewer's Checklist

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• Automated test coverage is satisfactory
• PR is fully functional
• PR has been tested for accessibility regressions
• External dependency files were updated if necessary (yarn and pip)
• Documentation is updated
• Contributor is in AUTHORS.md